250 MHz Small Signal Bipolar Junction Transistors (BJT) 2,400+

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Part RoHS Manufacturer Polarity or Channel Type Configuration Surface Mount Nominal Transition Frequency (fT) Maximum Power Dissipation (Abs) Maximum Collector Current (IC) Package Body Material Transistor Application Maximum Rise Time (tr) Maximum VCEsat Minimum DS Breakdown Voltage Terminal Form Package Shape Operating Mode No. of Elements Maximum Fall Time (tf) No. of Terminals Package Style (Meter) Sub-Category Field Effect Transistor Technology Maximum Power Dissipation Ambient Minimum DC Current Gain (hFE) Maximum Operating Temperature Maximum Collector-Base Capacitance Transistor Element Material Maximum Collector-Emitter Voltage Maximum Turn On Time (ton) Minimum Operating Temperature Maximum Turn Off Time (toff) Terminal Finish Maximum Drain-Source On Resistance Maximum Drain Current (ID) Terminal Position JESD-30 Code Moisture Sensitivity Level (MSL) Case Connection Qualification Additional Features JEDEC-95 Code JESD-609 Code Maximum Time At Peak Reflow Temperature (s) Peak Reflow Temperature (C) Maximum Feedback Capacitance (Crss) Reference Standard

BC557-A

Infineon Technologies

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

110

150 Cel

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

BC846PNH6327XTSA1

Infineon Technologies

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

SILICON

65 V

TIN

DUAL

R-PDSO-G6

1

e3

AEC-Q101

MMBT3906T

Onsemi

PNP

SINGLE

YES

250 MHz

.25 W

.2 A

PLASTIC/EPOXY

SWITCHING

FLAT

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

Tin (Sn)

DUAL

R-PDSO-F3

1

Not Qualified

e3

30

260

BC560CG

Onsemi

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

380

150 Cel

SILICON

45 V

Tin/Silver/Copper (Sn/Ag/Cu)

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e1

40

260

BC850BE6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

200

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

DDTC114ECA-7-F

Diodes Incorporated

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.05 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

30

150 Cel

SILICON

50 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

BUILT-IN BIAS RESISTOR RATIO IS 1

e3

30

260

SMBT3906DW1T1G

Onsemi

PNP

YES

250 MHz

.15 W

.2 A

Other Transistors

100

150 Cel

MATTE TIN

1

e3

30

260

SMBT3906E6327HTSA1

Infineon Technologies

PNP

SINGLE

YES

250 MHz

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

80

150 Cel

SILICON

40 V

70 ns

300 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

DTC114YKAT146

ROHM

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

.2 W

68

150 Cel

SILICON

50 V

TIN SILVER COPPER

DUAL

R-PDSO-G3

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 4.7

e1

10

260

BCM846SH6327XTSA1

Infineon Technologies

NPN

SEPARATE, 2 ELEMENTS

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

SILICON

65 V

TIN

DUAL

R-PDSO-G6

1

e3

AEC-Q101

BC560C

Onsemi

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

380

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-226AA

e0

235

BC560-C

Infineon Technologies

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

BC848-C

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

30 V

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

40

260

MBT3906DW1T1G

Onsemi

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.15 W

.2 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

MMDT3906-7-F

Diodes Incorporated

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.2 W

.2 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

PMBT3906,235

NXP Semiconductors

PNP

SINGLE

YES

250 MHz

.25 W

.2 A

PLASTIC/EPOXY

SWITCHING

.65 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

4.5 pF

SILICON

40 V

65 ns

300 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

DTA114EUAFRAT106

ROHM

PNP

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signals

.2 W

30

SILICON

50 V

DUAL

R-PDSO-G3

1

BUILT IN BIAS RESISTANCE RATIO IS 1

10

260

AEC-Q101

BCM856SH6327XTSA1

Infineon Technologies

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

SILICON

65 V

TIN

DUAL

R-PDSO-G6

1

e3

BCM847BV

NXP Semiconductors

NPN

SEPARATE, 2 ELEMENTS

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

FLAT

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

Tin (Sn)

DUAL

R-PDSO-F6

1

ISOLATED

Not Qualified

e3

30

260

LMBT3946DW1T1G

Leshan Radio

NPN AND PNP

YES

250 MHz

.15 W

.2 A

BIP General Purpose Small Signal

100

150 Cel

BCV62CE6327HTSA1

Infineon Technologies

PNP

CURRENT MIRROR

YES

250 MHz

.1 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

4

SMALL OUTLINE

420

SILICON

30 V

TIN

DUAL

R-PDSO-G4

1

e3

AEC-Q101

BCX70JE6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

90

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

BC847SE6327

Infineon Technologies

NPN

SEPARATE, 2 ELEMENTS

YES

250 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

260

MMBT3906K

Fairchild Semiconductor

PNP

SINGLE

YES

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

-55 Cel

300 ns

MATTE TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

BC858CE6327HTSA1

Infineon Technologies

PNP

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

DTC114EUAT106

ROHM

NPN

SINGLE WITH BUILT-IN RESISTOR

YES

250 MHz

.2 W

.1 A

PLASTIC/EPOXY

SWITCHING

.3 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

BIP General Purpose Small Signal

.2 W

30

150 Cel

SILICON

50 V

DUAL

R-PDSO-G3

1

Not Qualified

BUILT IN BIAS RESISTOR RATIO IS 1

10

260

MMDT4413-7-F

Diodes Incorporated

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.2 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

BIP General Purpose Small Signals

40

150 Cel

SILICON

40 V

35 ns

255 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

30

260

2N4401G

Onsemi

NPN

SINGLE

NO

250 MHz

.35 W

.6 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

40

150 Cel

SILICON

40 V

35 ns

255 ns

TIN SILVER COPPER

BOTTOM

O-PBCY-T3

Not Qualified

TO-92

e1

260

BC849-C

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

150 Cel

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

BC857-A

Infineon Technologies

PNP

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

125

SILICON

45 V

DUAL

R-PDSO-G3

1

LOW NOISE

DMMT3906W-7-F

Diodes Incorporated

PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.2 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

40 V

70 ns

300 ns

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

HIGH RELIABILITY

e3

30

260

KST3906MTF

Onsemi

PNP

SINGLE

YES

250 MHz

.35 W

.2 A

PLASTIC/EPOXY

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

SILICON

40 V

70 ns

300 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

30

260

MMBT2222LT1

Onsemi

NPN

SINGLE

YES

250 MHz

.225 W

.6 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

30

150 Cel

SILICON

30 V

35 ns

285 ns

Tin/Lead (Sn/Pb)

DUAL

R-PDSO-G3

1

Not Qualified

TO-236AB

e0

30

235

ZTX601A

Diodes Incorporated

NPN

DARLINGTON

NO

250 MHz

1 A

PLASTIC/EPOXY

WIRE

RECTANGULAR

1

3

IN-LINE

1000

200 Cel

SILICON

160 V

MATTE TIN

SINGLE

R-PSIP-W3

Not Qualified

e3

260

BC558-C

Infineon Technologies

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

BC849CWH6327XTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

LOW NOISE

e3

BC550C

Onsemi

NPN

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

420

150 Cel

SILICON

45 V

TIN LEAD

BOTTOM

O-PBCY-T3

Not Qualified

LOW NOISE

TO-92

e0

235

BC849CE6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

420

SILICON

30 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

e3

BCX70HE6327HTSA1

Infineon Technologies

NPN

SINGLE

YES

250 MHz

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

70

SILICON

45 V

TIN

DUAL

R-PDSO-G3

1

Not Qualified

e3

BCX70J,215

NXP Semiconductors

NPN

SINGLE

YES

250 MHz

.3 W

.1 A

PLASTIC/EPOXY

SWITCHING

.55 V

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

Other Transistors

90

150 Cel

SILICON

45 V

150 ns

800 ns

TIN

DUAL

R-PDSO-G3

1

Not Qualified

LOW NOISE

TO-236AB

e3

30

260

PMBT3906M,315

NXP Semiconductors

PNP

SINGLE

YES

250 MHz

.59 W

.2 A

1

Other Transistors

100

150 Cel

TIN

1

e3

30

260

BC556-B

Infineon Technologies

PNP

SINGLE

NO

250 MHz

.625 W

.1 A

PLASTIC/EPOXY

SWITCHING

THROUGH-HOLE

ROUND

1

3

CYLINDRICAL

Other Transistors

200

150 Cel

SILICON

BOTTOM

O-PBCY-T3

Not Qualified

BC846UE6327HTSA1

Infineon Technologies

NPN

SEPARATE, 2 ELEMENTS

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

SILICON

65 V

TIN

DUAL

R-PDSO-G6

1

e3

AEC-Q101

ZTX601BM1

Diodes Incorporated

NPN

DARLINGTON

YES

250 MHz

1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

1

3

SMALL OUTLINE

5000

SILICON

160 V

SINGLE

R-PSSO-G3

Not Qualified

NOT SPECIFIED

NOT SPECIFIED

CECC

BC847PNH6727XTSA1

Infineon Technologies

NPN AND PNP

SEPARATE, 2 ELEMENTS

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

SILICON

45 V

DUAL

R-PDSO-G6

NOT SPECIFIED

NOT SPECIFIED

BC847SE6433

Infineon Technologies

NPN

SEPARATE, 2 ELEMENTS

YES

250 MHz

.25 W

.1 A

PLASTIC/EPOXY

SWITCHING

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

110

150 Cel

SILICON

45 V

MATTE TIN

DUAL

R-PDSO-G6

1

Not Qualified

e3

260

BC847SH6727XTSA1

Infineon Technologies

NPN

SEPARATE, 2 ELEMENTS

YES

250 MHz

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

200

SILICON

45 V

DUAL

R-PDSO-G6

NOT SPECIFIED

NOT SPECIFIED

AEC-Q101

BCM847DS,115

NXP Semiconductors

NPN

SEPARATE, 2 ELEMENTS

YES

250 MHz

.38 W

.1 A

PLASTIC/EPOXY

AMPLIFIER

GULL WING

RECTANGULAR

2

6

SMALL OUTLINE

Other Transistors

200

150 Cel

SILICON

45 V

TIN

DUAL

R-PDSO-G6

1

ISOLATED

Not Qualified

e3

30

260

Small Signal Bipolar Junction Transistors (BJT)

Small Signal Bipolar Junction Transistors (BJT) are electronic devices used in low-power applications to amplify and switch small signals. They are commonly used in applications such as audio amplifiers, signal processing, and low-power digital circuits.

Small Signal BJTs are designed to handle low-power levels and operate at low to medium frequencies, typically in the range of a few Hz to several MHz. They have a high gain and low noise figure, making them suitable for small signal amplification.

The Small Signal BJT consists of an emitter, base, and collector region, and works by controlling the flow of majority charge carriers (electrons or holes) between the emitter and collector through the base region. When a voltage is applied to the base-emitter junction, a small current flows through the base, allowing a larger current to flow from the emitter to the collector.

Proper use of Small Signal BJTs is important to ensure optimal performance, reliability, and compatibility with other components in the circuit. Small Signal BJTs are often used in conjunction with other components, such as capacitors and resistors, to form complete low-power electronic circuits.B395